1438061332 has 24 divisors (see below), whose sum is σ = 2554227200. Its totient is φ = 708323616.

The previous prime is 1438061323. The next prime is 1438061353. The reversal of 1438061332 is 2331608341.

It is a super-2 number, since 2×1438061332² = 4136040789187228448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1438061294 and 1438061303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141394 + ... + 151222.

Almost surely, 2^1438061332 is an apocalyptic number.

It is an amenable number.

1438061332 is a deficient number, since it is larger than the sum of its proper divisors (1116165868).

1438061332 is a wasteful number, since it uses less digits than its factorization.

1438061332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375 (or 10373 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1438061332 is about 37921.7791249303. The cubic root of 1438061332 is about 1128.7362413912.

Adding to 1438061332 its reverse (2331608341), we get a palindrome (3769669673).

The spelling of 1438061332 in words is "one billion, four hundred thirty-eight million, sixty-one thousand, three hundred thirty-two".